lld/test/ELF/ppc64-toc-call-to-pcrel-long-jump.s

   1 # REQUIRES: ppc
   2 # RUN: split-file %s %t
   3
   4 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %t/asm -o %t.o
   5 # RUN: ld.lld -T %t/lts %t.o -o %t_le
   6 # RUN: llvm-objdump --mcpu=pwr10 --no-show-raw-insn -d %t_le | FileCheck %s
   7 # RUN: llvm-readelf -s %t_le | FileCheck %s --check-prefix=SYM
   8
   9 # RUN: llvm-mc -filetype=obj -triple=powerpc64 %t/asm -o %t.o
  10 # RUN: ld.lld -T %t/lts %t.o -o %t_be
  11 # RUN: llvm-objdump --mcpu=pwr10 --no-show-raw-insn -d %t_be | FileCheck %s
  12 # RUN: llvm-readelf -s %t_be | FileCheck %s --check-prefix=SYM
  13
  14 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %t/asm -o %t.o
  15 # RUN: ld.lld -T %t/lts %t.o -o %t_le --no-power10-stubs
  16 # RUN: llvm-objdump --mcpu=pwr10 --no-show-raw-insn -d %t_le | FileCheck %s --check-prefix=NoP10
  17 # RUN: llvm-readelf -s %t_le | FileCheck %s --check-prefix=SYM
  18
  19 # SYM:      Symbol table '.symtab' contains 9 entries:
  20 # SYM:      1: 0000000010010000     0 NOTYPE  LOCAL  DEFAULT [<other: 0x20>]   1 callee
  21 # SYM-NEXT: 2: 0000000010020008     0 NOTYPE  LOCAL  DEFAULT                  2 caller_close
  22 # SYM-NEXT: 3: 0000000020020008     0 NOTYPE  LOCAL  DEFAULT [<other: 0x60>]   3 caller
  23 # SYM-NEXT: 4: 0000000520020008     0 NOTYPE  LOCAL  DEFAULT                  4 caller_far
  24 # SYM-NEXT: 5: 0000000520028040     0 NOTYPE  LOCAL  HIDDEN                   6 .TOC.
  25 # SYM-NEXT: 6: 0000000010020020     8 FUNC    LOCAL  DEFAULT                  2 __toc_save_callee
  26 # SYM-NEXT: 7: 0000000020020020    32 FUNC    LOCAL  DEFAULT                  3 __toc_save_callee
  27 # SYM-NEXT: 8: 0000000520020020    32 FUNC    LOCAL  DEFAULT                  4 __toc_save_callee
  28
  29 #--- lts
  30 PHDRS {
  31   callee PT_LOAD FLAGS(0x1 | 0x4);
  32   close PT_LOAD FLAGS(0x1 | 0x4);
  33   caller PT_LOAD FLAGS(0x1 | 0x4);
  34   far PT_LOAD FLAGS(0x1 | 0x4);
  35 }
  36 SECTIONS {
  37   .text_callee 0x10010000 : { *(.text_callee) } :callee
  38   .text_caller_close 0x10020000 : { *(.text_caller_close) } :close
  39   .text_caller 0x20020000 : { *(.text_caller) } :caller
  40   .text_caller_far 0x520020000 : { *(.text_caller_far) } :far
  41 }
  42
  43 #--- asm
  44 # CHECK-LABEL: <callee>:
  45 # CHECK:         blr
  46 .section .text_callee, "ax", %progbits
  47 callee:
  48   .localentry callee, 1
  49   blr
  50
  51 # CHECK-LABEL: <caller_close>:
  52 # CHECK:         bl 0x10020020
  53 # CHECK-NEXT:    ld 2, 24(1)
  54 # CHECK-NEXT:    blr
  55 # CHECK-LABEL: <__toc_save_callee>:
  56 # CHECK:         std 2, 24(1)
  57 # CHECK-NEXT:    b 0x10010000
  58 .section .text_caller_close, "ax", %progbits
  59 .Lfunc_toc1:
  60   .quad .TOC.-.Lfunc_gep1
  61 caller_close:
  62 .Lfunc_gep1:
  63   ld 2, .Lfunc_toc1-.Lfunc_gep1(12)
  64   add 2, 2, 12
  65 .Lfunc_lep1:
  66   .localentry caller, .Lfunc_lep1-.Lfunc_gep1
  67   bl callee
  68   nop
  69   blr
  70
  71 # CHECK-LABEL: <caller>:
  72 # CHECK:         bl 0x20020020
  73 # CHECK-NEXT:    ld 2, 24(1)
  74 # CHECK-NEXT:    blr
  75 # CHECK-LABEL: <__toc_save_callee>:
  76 # CHECK:         std 2, 24(1)
  77 # CHECK-NEXT:    paddi 12, 0, -268501028, 1
  78 # CHECK-NEXT:    mtctr 12
  79 # CHECK-NEXT:    bctr
  80
  81 # NoP10-LABEL: <caller>:
  82 # NoP10:         bl 0x20020020
  83 # NoP10-NEXT:    ld 2, 24(1)
  84 # NoP10-NEXT:    blr
  85 # NoP10-LABEL: <__toc_save_callee>:
  86 # NoP10-NEXT:         std 2, 24(1)
  87 # NoP10-NEXT:    addis 12, 2, -4098
  88 # NoP10-NEXT:    addi 12, 12, 32704
  89 # NoP10-NEXT:    mtctr 12
  90 # NoP10-NEXT:    bctr
  91 .section .text_caller, "ax", %progbits
  92 .Lfunc_toc2:
  93   .quad .TOC.-.Lfunc_gep2
  94 caller:
  95 .Lfunc_gep2:
  96   ld 2, .Lfunc_toc2-.Lfunc_gep2(12)
  97   add 2, 2, 12
  98 .Lfunc_lep2:
  99   .localentry caller, .Lfunc_lep2-.Lfunc_gep2
 100   bl callee
 101   nop
 102   blr
 103
 104 # CHECK-LABEL: <caller_far>:
 105 # CHECK:         ld 2, -8(12)
 106 # CHECK-NEXT:    add 2, 2, 12
 107 # CHECK-NEXT:    bl 0x520020020
 108 # CHECK-NEXT:    ld 2, 24(1)
 109 # CHECK-NEXT:    blr
 110 # CHECK-LABEL: <__toc_save_callee>:
 111 # CHECK:         std 2, 24(1)
 112 # CHECK-NEXT:    addis 12, 2, 0
 113 # CHECK-NEXT:    ld 12, -32760(12)
 114 # CHECK-NEXT:    mtctr 12
 115 # CHECK-NEXT:    bctr
 116 .section .text_caller_far, "ax", %progbits
 117 .Lfunc_toc3:
 118   .quad .TOC.-.Lfunc_gep3
 119 caller_far:
 120 .Lfunc_gep3:
 121   ld 2, .Lfunc_toc3-.Lfunc_gep3(12)
 122   add 2, 2, 12
 123 .Lfunc_lep3:
 124   .localentry caller, .Lfunc_lep3-.Lfunc_gep3
 125   bl callee
 126   nop
 127   blr